MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.club, which is likely used to obscure the final destination of the malicious content. The document also contains a large number of external PDF links, suggesting a link farm or SEO poisoning attempt. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.club/wix?keyword=welcome+to+holland+poem+down+syndrome
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/1813b3_8eb2ad4de2e9430bb36fc25cf7d20f07.pdf
- https://static.usrfiles.com/ugd/289c5e_81adc951112e4b2c8c295024745c0889.pdf
- https://static.usrfiles.com/ugd/a382ee_f580cfda9b374a359937eb2a08166cd9.pdf
- https://static.usrfiles.com/ugd/b8c837_eb337cc5f30340fc93be43de54c95934.pdf
- https://static.usrfiles.com/ugd/67e251_ba8b77f583b740718002c480f3f07d13.pdf
- https://cdn.shopify.com/s/files/1/0429/4960/7590/files/2444361345.pdf
- https://cdn.shopify.com/s/files/1/0435/9074/6271/files/queue_poll_java.pdf
- https://cdn.shopify.com/s/files/1/0461/4455/3123/files/vettaiyadu_vilayadu_movie_template.pdf
- https://cdn.shopify.com/s/files/1/0428/1548/8163/files/36446203436.pdf
- https://cdn.shopify.com/s/files/1/0452/2527/9648/files/pdf_compendio_del_catecismo_de_la_iglesia_catolica.pdf
- https://static.usrfiles.com/ugd/f7fbc8_3ee81adfd1a24abb89b3c213a9b93b00.pdf
- https://static.usrfiles.com/ugd/b8c837_c5770c939a3345329611b70808e26100.pdf
- https://static.usrfiles.com/ugd/b8c837_d5604d5f2d7741efba6f247756932ddc.pdf
- https://static.usrfiles.com/ugd/b8c837_cd8cb8e1c4cd4295b0317805ad0c1e85.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007ed3.binb52181163da45f1edc003e33e8d2793d74c1472e1fbf08b92694de3b344ee7e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ED3 | 5520 bytes |
font_01_sfnt_off00009183.binaecf194269eacae62025c79a684c2d5c01ab8c73c812d7fb8c2357697831fc05 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9183 | 10120 bytes |
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